98774447 has 2 divisors, whose sum is σ = 98774448. Its totient is φ = 98774446.

The previous prime is 98774441. The next prime is 98774461. The reversal of 98774447 is 74447789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98774447 - 2¹⁴ = 98758063 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 98774395 and 98774404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98774441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49387223 + 49387224.

It is an arithmetic number, because the mean of its divisors is an integer number (49387224).

Almost surely, 2^98774447 is an apocalyptic number.

98774447 is a deficient number, since it is larger than the sum of its proper divisors (1).

98774447 is an equidigital number, since it uses as much as digits as its factorization.

98774447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 50.

The square root of 98774447 is about 9938.5334431193. The cubic root of 98774447 is about 462.2549129519.

The spelling of 98774447 in words is "ninety-eight million, seven hundred seventy-four thousand, four hundred forty-seven".